General Reference

Reference library that includes subject dictionaries, timelines, maps and illustrations, thesauri, the World Encyclopedia, English dictionaries, bilingual dictionaries of French, German, Spanish, and Italian, and entries from Oxford Companions and the Oxford Dictionary of Quotations.

Encyclopedias

McGraw-Hill’s Encyclopedia of Science and Technology and Yearbook of Science and Technology enhanced with web-based resources to define, explain, and suggest places for further studies on scientific concepts.